Yes, VSM TRACE (in parmlib member DIAGxx) uses the GTRACE macro to write USR 
x'F65' records with Format ID x'DA' to GTF.

Jim Mulder 

-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf Of 
Binyamin Dissen
Sent: Monday, March 2, 2026 4:40 PM
To: [email protected]
Subject: Re: GTF to trace PC calls?

Does 

VSM TRACE 

present data to GTF?

On Mon, 2 Mar 2026 14:37:18 +0000 Jim Mulder <[email protected]> wrote:

:>  It does not exist.  GTF does not have any way to intercept PC instructions. 
 PC is interceptable from SIE, so you can use #CP TRACE PC if you are running 
under z/VM.
:>
:>Jim Mulder
:>
:>-----Original Message-----
:>From: IBM Mainframe Discussion List <[email protected]> On Behalf Of 
Binyamin Dissen
:>Sent: Monday, March 2, 2026 5:05 AM
:>To: [email protected]
:>Subject: GTF to trace PC calls?
:>
:>I am not finding an obvious option to include PC calls in the trace. Does it 
exist?

--
Binyamin Dissen <[email protected]> http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel

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